Main Features

Manufacturer: Schneider Electric, Harmony series
Model/MPN: SSP1D412BDT
Device Type: Single-phase panel-mount solid state relay (SSR), MOSFET output, DC switching
Control Input: 3.5–32 V DC control voltage; consumes 10–15 mA and features a green status LED
Load Output: Switches 1–150 V DC; continuous current rating of 12 A; supports surge currents up to 31 A (10 ms)
Electrical Performance:
- On-state voltage drop: <2.8 V
- Off-state leakage: 0.3 mA max
- Response time: 0.1 ms (on/off)
Thermal Management: Includes factory-installed thermal pad; junction-to-case Rθ ≈0.71 °C/W
Protection Ratings: Dielectric strength 2.5 kV (input-output and to case); IP20 protection; designed for Type 1 & Type 2 coordination with 10 A / 6 A MCBs
Reliability & Compliance: MTTFd ≈1,875 years; B10d = 1,731,395; certified to EN/IEC 62314, UL 508, EN 60950‑1, CSA C22.2 No. 14, CE, EAC, RoHS
Operating Environment: –40 °C to +80 °C ambient; suitable for harsh industrial environments
Mounting & Connections: Panel mount, screw terminals for input (0.2–3.3 mm²) and output (0.5–5.26 mm²); max torque 1.7 N·m (input) / 2.2 N·m (output)

Schneider Electric – SSP1D412BDT – Harmony Solid State Relay, 12 A DC Panel-Moun